• The Big Gun EVO Utility Series was designed to deliver raw horsepower and
torque gains for utility ATVs and UTVs.
• All Utility slip-on and full systems are made from .049 stainless steel tubing and
an aluminum muffler canister, the Big Gun Utility exhaust system is much lighter
than a stock unit.
• Our sleek muffler design allows for maximum clearance to avoid collisions with the
rear brake caliper.
• 96-98 db track and trail legal with included Vortex quiet insert.
• USFS forestry approved spark arrestor included
• 4-8 horsepower increase on most models.
• Slip fit midpipe to muffler design prevents breaking off muffler brackets
• Snorkel kit available for all models.
• Black powder coated stainless end tip.
• All Big Gun exhausts are for closed course use only and are not intended for
use on the road.
Applications:
- 2007 - 2012 Yamaha YFM450 Grizzly 4x4 Auto
- 2011 - 2012 Yamaha YFM450 Grizzly 4x4 Auto EPS
- 2009 - 2010 Yamaha YFM450 Grizzly 4x4 Auto IRS
- 2003 - 2006 Yamaha YFM450F Kodiak Auto 4x4
*Big Gun exhausts are NOT LEGAL for sale or use on pollution controlled vehicles in the state of California.*